Multiple Choice
A 3.0-kg mass is located at (0.0 m,8.0 m) ,and a 1.0-kg mass is located at (12 m,0.0 m) .You want to add a 4.0-kg mass so that the center of mass (or center of gravity) of the three-mass system will be at the origin.What should be the coordinates of the 4.0-kg mass?
A) (-3.0 m,-6.0 m)
B) (-12 m,-8.0 m)
C) (3.0 m,6.0 m)
D) (-6.0 m,-3.0 m)
Correct Answer:

Verified
Correct Answer:
Verified
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